Crow Collective

In spite of local squabbles, crows will come together for a crisis. Instantly.

Border skirmishes, crow etiquette lapses, hereditary rivalries  — all forgotten in a corvid heartbeat when the alarm call goes out.

Peregrine falcon in the ‘hood!

People sometimes consider crows’ mobbing behaviour towards larger birds as somehow mean. The collective noun, a “murder” of crows, is referenced, darkly.

To me, it’s one of their more admirable features — having the sense to know that they’re stronger together, and the ability to put aside individual differences in the face of a common danger.

Raccoons, coyotes, eagles, hawks, falcons, owls and even their own cousin, the raven, are considered enemies by crows. All of these creatures will snatch and eat juvenile crows and/or crow eggs, thus earning themselves a permanent spot on the crows’ “naughty” list.

It’s not that they’re really naughty, of course — just doing what nature dictates — going out grocery shopping for the family. The same applies to crows when they feed on smaller birds, and on through the spiralling circle of life.

While nesting season is over now, and most juvenile crows are now smart and fast enough to stay out of the way of the falcon (who is more likely on the lookout for a tasty pigeon) the crow response to a “sometimes-crow-predator” in the neighbourhood is automatic.

Every crow drops what they’re doing and flies off to join the collective effort to repel the enemy. Their job is to convince the “threat” that crows are just way too much bother and get them to move along and become someone else’s problem.

Individual crows will swoop very close to the offending predator. Sometimes too close for their health. Generally, however, the bird of prey will make a pragmatic cost/benefit calculation as to whether it’s worth the caloric output to chase a provocative crow. Most often they decide to wait out the mob for a while and eventually move on to a quieter spot.

All in all, I think “collective” is a much better, and more descriptive, word for a group of crows than a “murder.”

Apart from group defence, another advantage of crow mobbing behaviour is that, if you pay attention, you can catch glimpses of things that would otherwise go unnoticed.

For other posts about crow-revealed nature sighting:

Raccoons: Wall of Sound

Owls: Owl Dreams

Owls and Poets: Owls, Crows, Rooks and Poetry

Ravens: Raven Tutor

Missing Dogs: A Christmas Miracle — With Crows

 

 

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Night Owl

Just a short follow-up to yesterday’s post, Owl Dreams.

At 8pm last night, the barred owl was still in the tree in front of our house, sleeping peacefully. We took Geordie for his evening walk and he was still there when we got back, but his behaviour was changing.

There was much more head movement and he was clearly shifting into night hunting mode. I took a little video to try and capture it. The quality isn’t great, but you can see what I mean.

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Just after I took the video, the owl flew off the tree, landed briefly on our car and then on to a plum tree across the street.

Goodnight, Owl

And then he was off and away like a ghost in the night.

He had been in front of our house for a full twelve hours.

I can still hardly believe that yesterday happened!

www.junehunter.com

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Owl Dreams

Some days just don’t go as planned, but in a good way.

Today, for example, I had a number of studio tasks set out for the morning, all of which seemed very important — until the crows started going bonkers outside.

I always try to go see what the crows are on about.

It’s usually something interesting — sometimes it’s just a cat, but often a skunk, racoon or, occasionally, a coyote or two.

This morning’s furor was in the katsura tree right in front of our house. I opened the front door to see what was up, and instantly found myself caught in the hypnotic gaze of a beautiful barred owl.

Well, good morning!

Work rule number one is that when there’s an urban nature event unfolding, it rockets to the top of the to-do list. Everything else has to wait. Tiles remain unfinished, web sites, neglected.

Today that rule DEFINITELY applied.

The katsura tree was full of crows from near and far, all voicing their displeasure at the owl. Even a young Northern Flicker was joining in the scolding. You can hear him in this video.

 

This next video gives a cool look at the owl’s blinking mechanism – the nictitating membrane that makes the eye look blue, and then the fluffy feathered eyelids. He was also making a little beak movement when blinking. So amazing!

For about half an hour the crows, with occasional flicker input, continued their furious show. Gradually most left, leaving only the paint-splattered crow that currently considers the tree “his” and his mate. Eventually even they grew weary and flew off for a rest.

It’s a rare sight to see an owl in daylight. They’re usually sleeping off a busy night of rodent hunting. It does happen though. A couple of years ago I was lucky enough to see a similar sight outside of the Vancouver Art Gallery, right in the downtown core. I wrote a blog (Owls, Crows, Rooks and Poetry) about that day too.

But this time he was right in front of my own house. What an amazing treat.

He was there all day, so I was able to spend hours watching him. Neighbours came out to watch too. Our owl was a bit of a local celebrity for the day.

Sometimes the owl would fluff up his feathers if he felt the crows were getting too bold.

But no crow with an ounce of sense would get too close to these feet. Owls are one of the reasons that thousands of crows fly every night to Still Creek, seeking nocturnal safety in numbers.

In this photo, the owl looks for all the world like a character from a Harry Potter novel.

Gradually the crow posse seemed to forget about the owl all together.

Most of the afternoon was peaceful enough to allow a bit of a beauty sleep catch-up.

It’s late afternoon now and he’s still snoozing out there. I expect he’ll be there until dusk and then it will be hunting time again.

For me, I’ve spent the majority of the day photographing him, sorting out photos and writing this blog. That’s OK though, because that’s really the most important part of my “job.”

Every time I close my eyes, I see his eyes looking back at me.

I expect I’ll have owl dreams tonight.

 

See what happened at the end of this amazing day in the next post, Night Owl.

 

www.junehunter.com

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